* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #000000 0%, #010002 100%);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.9), rgba(23, 5, 41, 0.9));
    color: white;
    padding: 100px 0;
    text-align: center;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero p {
    font-size: 1.3rem;
    max-width: 800px;
    margin: 0 auto 40px;
    opacity: 0.9;
}

.cta-button {
    display: inline-block;
    background: white;
    color: #000000;
    padding: 15px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: bold;
    transition: transform 0.3s ease;
}

.cta-button:hover {
    transform: translateY(-3px);
}

/* Main Content */
.main-content {
    background: white;
    padding: 80px 0;
}

.section {
    margin-bottom: 80px;
}

.section h2 {
    font-size: 2.5rem;
    color: #333;
    margin-bottom: 30px;
    text-align: center;
    position: relative;
}

.section h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(45deg, #000106, #000000);
    border-radius: 2px;
}

/* Problem & Solution Grid */
.problem-solution {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-top: 50px;
}

.card {
    background: #f8f9fa;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
}

.card h3 {
    color: #000106;
    margin-bottom: 15px;
    font-size: 1.5rem;
}

/* SDG Goals */
.sdg-goals {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.sdg-card {
    background: linear-gradient(135deg, #04050c, #000000);
    color: white;
    padding: 30px;
    border-radius: 15px;
    text-align: center;
}

.sdg-card h4 {
    font-size: 1.3rem;
    margin-bottom: 15px;
}

/* Tech Stack */
.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.tech-category {
    background: #f8f9fa;
    padding: 30px;
    border-radius: 15px;
    border-left: 5px solid #010205;
}

.tech-category h4 {
    color: #030613;
    margin-bottom: 20px;
    font-size: 1.3rem;
}

.tech-list {
    list-style: none;
}

.tech-list li {
    padding: 8px 0;
    border-bottom: 1px solid #eee;
}

.tech-list li:last-child {
    border-bottom: none;
}

/* Features */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.feature-card {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    text-align: center;
    border-top: 5px solid #000000;
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

/* Team Section */
.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 50px;
}

.team-card {
    background: white;
    border-radius: 20px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid #f0f0f0;
}

.team-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.team-image {
    width: 150px;
    height: 150px;
    margin: 0 auto 25px;
    border-radius: 50%;
    overflow: hidden;
    border: 4px solid #000001;
    background: linear-gradient(135deg, #000000, #000000);
}

.team-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.team-info h3 {
    font-size: 1.5rem;
    color: #333;
    margin-bottom: 8px;
    font-weight: 600;
}

.team-role {
    color: #000000;
    font-weight: 500;
    font-size: 1.05rem;
    margin-bottom: 20px;
}

.team-contribution {
    color: #666;
    line-height: 1.6;
    margin-bottom: 25px;
    text-align: left;
    font-size: 0.95rem;
}

.team-contact {
    border-top: 1px solid #eee;
    padding-top: 20px;
    text-align: left;
}

.team-contact p {
    margin-bottom: 10px;
    color: #555;
    font-size: 0.9rem;
}

.linkedin-link {
    color: #000000;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.linkedin-link:hover {
    color: #005885;
    text-decoration: underline;
}



/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .problem-solution {
        grid-template-columns: 1fr;
    }

    
}